(19)
(11) EP 1 563 706 A2

(12)

(88) Date of publication A3:
19.08.2004

(43) Date of publication:
17.08.2005 Bulletin 2005/33

(21) Application number: 03786873.4

(22) Date of filing: 17.11.2003
(51) International Patent Classification (IPC)7: H04R 1/00
(86) International application number:
PCT/US2003/037007
(87) International publication number:
WO 2004/047482 (03.06.2004 Gazette 2004/23)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 15.11.2002 US 426980 P

(71) Applicant: American Technology Corporation
San Diego, CA 92128 (US)

(72) Inventors:
  • CROFT, James, Joseph, III
    Poway, CA 92064 (US)
  • BEAUCHAMP, Todd
    San Diego, CA 92128 (US)
  • CONRAD, Terry
    Ramona, CA 92065 (US)

(74) Representative: Wombwell, Francis 
Potts, Kerr & Co.15, Hamilton Square
BirkenheadMerseyside L41 6B
BirkenheadMerseyside L41 6B (GB)

   


(54) A HIGH INTENSITY DIRECTIONAL ELECTROACOUSTIC SOUND GENERATING SYSTEM FOR COMMUNICATIONS TARGETING